EGG134
EGG134 EGG134
  • 12-06-2022
  • Mathematics
contestada

can someone help me with this question? Thank you!

can someone help me with this question Thank you class=

Respuesta :

hkortt hkortt
  • 12-06-2022

Answer:

20°

Step-by-step explanation:

A triangle = 180°

∴ 180° -120°-40°

=20°

Answer Link
Аноним Аноним
  • 12-06-2022

Answer:

20°

Step-by-step explanation:

The Angle Sum Property of a triangle gives that the sum of the internal angles of a triangle is equal to 180°.

Hence,

⇒ ∠A + ∠B + ∠C = 180°

⇒ ∠A + 120° + 40° = 180°

⇒ ∠A + 160° = 180°

⇒ ∠A = 20°

Answer Link

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